Home / 186,457.24-257,312.64-105,886.42

Finding the Fourth Proportional to 186,457.24, 257,312.64 and 105,886.42

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Solution

The fourth proportional to 186,457.24, 257,312.64 and 105,886.42 is: 146,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,457.24 : 257,312.64 = 105,886.42 : x
  2. Step 2: Convert to fraction form
    186,457.24/257,312.64 = 105,886.42/x
  3. Step 3: Cross multiply
    186,457.24x = 257,312.64 × 105,886.42
  4. Step 4: Simplify right side
    186,457.24x = 27,245,914,270.35
  5. Step 5: Solve for x
    x = 27,245,914,270.35/186,457.24
  6. Step 6: Final answer
    x = 146,124.20

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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.