Home / 260,101.13-390,151.70-63,109.13

Finding the Fourth Proportional to 260,101.13, 390,151.70 and 63,109.13

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Solution

The fourth proportional to 260,101.13, 390,151.70 and 63,109.13 is: 94,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,101.13 : 390,151.70 = 63,109.13 : x
  2. Step 2: Convert to fraction form
    260,101.13/390,151.70 = 63,109.13/x
  3. Step 3: Cross multiply
    260,101.13x = 390,151.70 × 63,109.13
  4. Step 4: Simplify right side
    260,101.13x = 24,622,134,355.02
  5. Step 5: Solve for x
    x = 24,622,134,355.02/260,101.13
  6. Step 6: Final answer
    x = 94,663.70

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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.