Home / 186,302.34-257,268.03-118,341.21

Finding the Fourth Proportional to 186,302.34, 257,268.03 and 118,341.21

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Solution

The fourth proportional to 186,302.34, 257,268.03 and 118,341.21 is: 163,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,302.34 : 257,268.03 = 118,341.21 : x
  2. Step 2: Convert to fraction form
    186,302.34/257,268.03 = 118,341.21/x
  3. Step 3: Cross multiply
    186,302.34x = 257,268.03 × 118,341.21
  4. Step 4: Simplify right side
    186,302.34x = 30,445,409,964.52
  5. Step 5: Solve for x
    x = 30,445,409,964.52/186,302.34
  6. Step 6: Final answer
    x = 163,419.36

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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.