Home / 186,434.28-257,312.64-109,948.68

Finding the Fourth Proportional to 186,434.28, 257,312.64 and 109,948.68

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Solution

The fourth proportional to 186,434.28, 257,312.64 and 109,948.68 is: 151,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,434.28 : 257,312.64 = 109,948.68 : x
  2. Step 2: Convert to fraction form
    186,434.28/257,312.64 = 109,948.68/x
  3. Step 3: Cross multiply
    186,434.28x = 257,312.64 × 109,948.68
  4. Step 4: Simplify right side
    186,434.28x = 28,291,185,115.32
  5. Step 5: Solve for x
    x = 28,291,185,115.32/186,434.28
  6. Step 6: Final answer
    x = 151,748.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.