Home / 145,180.08-217,320.84-123,925.68

Finding the Fourth Proportional to 145,180.08, 217,320.84 and 123,925.68

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Solution

The fourth proportional to 145,180.08, 217,320.84 and 123,925.68 is: 185,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,180.08 : 217,320.84 = 123,925.68 : x
  2. Step 2: Convert to fraction form
    145,180.08/217,320.84 = 123,925.68/x
  3. Step 3: Cross multiply
    145,180.08x = 217,320.84 × 123,925.68
  4. Step 4: Simplify right side
    145,180.08x = 26,931,632,875.17
  5. Step 5: Solve for x
    x = 26,931,632,875.17/145,180.08
  6. Step 6: Final answer
    x = 185,505.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.