Home / 147,597.12-221,371.88-42,392.16

Finding the Fourth Proportional to 147,597.12, 221,371.88 and 42,392.16

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Solution

The fourth proportional to 147,597.12, 221,371.88 and 42,392.16 is: 63,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,597.12 : 221,371.88 = 42,392.16 : x
  2. Step 2: Convert to fraction form
    147,597.12/221,371.88 = 42,392.16/x
  3. Step 3: Cross multiply
    147,597.12x = 221,371.88 × 42,392.16
  4. Step 4: Simplify right side
    147,597.12x = 9,384,432,156.46
  5. Step 5: Solve for x
    x = 9,384,432,156.46/147,597.12
  6. Step 6: Final answer
    x = 63,581.40

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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.