Home / 296,470.04-409,125.72-160,500.40

Finding the Fourth Proportional to 296,470.04, 409,125.72 and 160,500.40

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Solution

The fourth proportional to 296,470.04, 409,125.72 and 160,500.40 is: 221,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,470.04 : 409,125.72 = 160,500.40 : x
  2. Step 2: Convert to fraction form
    296,470.04/409,125.72 = 160,500.40/x
  3. Step 3: Cross multiply
    296,470.04x = 409,125.72 × 160,500.40
  4. Step 4: Simplify right side
    296,470.04x = 65,664,841,710.29
  5. Step 5: Solve for x
    x = 65,664,841,710.29/296,470.04
  6. Step 6: Final answer
    x = 221,488.96

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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.