Home / 147,931.70-221,897.55-124,312.10

Finding the Fourth Proportional to 147,931.70, 221,897.55 and 124,312.10

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Solution

The fourth proportional to 147,931.70, 221,897.55 and 124,312.10 is: 186,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,931.70 : 221,897.55 = 124,312.10 : x
  2. Step 2: Convert to fraction form
    147,931.70/221,897.55 = 124,312.10/x
  3. Step 3: Cross multiply
    147,931.70x = 221,897.55 × 124,312.10
  4. Step 4: Simplify right side
    147,931.70x = 27,584,550,425.36
  5. Step 5: Solve for x
    x = 27,584,550,425.36/147,931.70
  6. Step 6: Final answer
    x = 186,468.15

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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.