Home / 189,549.89-284,402.17-122,117.16

Finding the Fourth Proportional to 189,549.89, 284,402.17 and 122,117.16

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Solution

The fourth proportional to 189,549.89, 284,402.17 and 122,117.16 is: 183,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,549.89 : 284,402.17 = 122,117.16 : x
  2. Step 2: Convert to fraction form
    189,549.89/284,402.17 = 122,117.16/x
  3. Step 3: Cross multiply
    189,549.89x = 284,402.17 × 122,117.16
  4. Step 4: Simplify right side
    189,549.89x = 34,730,385,298.24
  5. Step 5: Solve for x
    x = 34,730,385,298.24/189,549.89
  6. Step 6: Final answer
    x = 183,225.56

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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.