Home / 130,204.80-179,681.76-73,616.40

Finding the Fourth Proportional to 130,204.80, 179,681.76 and 73,616.40

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Solution

The fourth proportional to 130,204.80, 179,681.76 and 73,616.40 is: 101,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,204.80 : 179,681.76 = 73,616.40 : x
  2. Step 2: Convert to fraction form
    130,204.80/179,681.76 = 73,616.40/x
  3. Step 3: Cross multiply
    130,204.80x = 179,681.76 × 73,616.40
  4. Step 4: Simplify right side
    130,204.80x = 13,227,524,316.86
  5. Step 5: Solve for x
    x = 13,227,524,316.86/130,204.80
  6. Step 6: Final answer
    x = 101,590.14

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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.