Home / 101,306.10-152,520.14-89,527.50

Finding the Fourth Proportional to 101,306.10, 152,520.14 and 89,527.50

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Solution

The fourth proportional to 101,306.10, 152,520.14 and 89,527.50 is: 134,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,306.10 : 152,520.14 = 89,527.50 : x
  2. Step 2: Convert to fraction form
    101,306.10/152,520.14 = 89,527.50/x
  3. Step 3: Cross multiply
    101,306.10x = 152,520.14 × 89,527.50
  4. Step 4: Simplify right side
    101,306.10x = 13,654,746,386.21
  5. Step 5: Solve for x
    x = 13,654,746,386.21/101,306.10
  6. Step 6: Final answer
    x = 134,787.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.