Home / 145,622.17-218,518.14-61,377.10

Finding the Fourth Proportional to 145,622.17, 218,518.14 and 61,377.10

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Solution

The fourth proportional to 145,622.17, 218,518.14 and 61,377.10 is: 92,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,622.17 : 218,518.14 = 61,377.10 : x
  2. Step 2: Convert to fraction form
    145,622.17/218,518.14 = 61,377.10/x
  3. Step 3: Cross multiply
    145,622.17x = 218,518.14 × 61,377.10
  4. Step 4: Simplify right side
    145,622.17x = 13,412,009,730.59
  5. Step 5: Solve for x
    x = 13,412,009,730.59/145,622.17
  6. Step 6: Final answer
    x = 92,101.43

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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.