Home / 145,484.40-217,876.14-98,595.12

Finding the Fourth Proportional to 145,484.40, 217,876.14 and 98,595.12

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Solution

The fourth proportional to 145,484.40, 217,876.14 and 98,595.12 is: 147,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,484.40 : 217,876.14 = 98,595.12 : x
  2. Step 2: Convert to fraction form
    145,484.40/217,876.14 = 98,595.12/x
  3. Step 3: Cross multiply
    145,484.40x = 217,876.14 × 98,595.12
  4. Step 4: Simplify right side
    145,484.40x = 21,481,524,168.44
  5. Step 5: Solve for x
    x = 21,481,524,168.44/145,484.40
  6. Step 6: Final answer
    x = 147,655.17

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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.