Home / 102,585.25-141,632.65-70,373.85

Finding the Fourth Proportional to 102,585.25, 141,632.65 and 70,373.85

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Solution

The fourth proportional to 102,585.25, 141,632.65 and 70,373.85 is: 97,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,585.25 : 141,632.65 = 70,373.85 : x
  2. Step 2: Convert to fraction form
    102,585.25/141,632.65 = 70,373.85/x
  3. Step 3: Cross multiply
    102,585.25x = 141,632.65 × 70,373.85
  4. Step 4: Simplify right side
    102,585.25x = 9,967,234,423.05
  5. Step 5: Solve for x
    x = 9,967,234,423.05/102,585.25
  6. Step 6: Final answer
    x = 97,160.50

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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.