Home / 186,701.04-257,637.20-106,117.38

Finding the Fourth Proportional to 186,701.04, 257,637.20 and 106,117.38

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Solution

The fourth proportional to 186,701.04, 257,637.20 and 106,117.38 is: 146,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,701.04 : 257,637.20 = 106,117.38 : x
  2. Step 2: Convert to fraction form
    186,701.04/257,637.20 = 106,117.38/x
  3. Step 3: Cross multiply
    186,701.04x = 257,637.20 × 106,117.38
  4. Step 4: Simplify right side
    186,701.04x = 27,339,784,123.95
  5. Step 5: Solve for x
    x = 27,339,784,123.95/186,701.04
  6. Step 6: Final answer
    x = 146,436.16

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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.