Home / 262,000.18-392,715.91-172,005.13

Finding the Fourth Proportional to 262,000.18, 392,715.91 and 172,005.13

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Solution

The fourth proportional to 262,000.18, 392,715.91 and 172,005.13 is: 257,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,000.18 : 392,715.91 = 172,005.13 : x
  2. Step 2: Convert to fraction form
    262,000.18/392,715.91 = 172,005.13/x
  3. Step 3: Cross multiply
    262,000.18x = 392,715.91 × 172,005.13
  4. Step 4: Simplify right side
    262,000.18x = 67,549,151,152.62
  5. Step 5: Solve for x
    x = 67,549,151,152.62/262,000.18
  6. Step 6: Final answer
    x = 257,821.01

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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.