Home / 147,507.85-221,262.99-42,330.16

Finding the Fourth Proportional to 147,507.85, 221,262.99 and 42,330.16

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Solution

The fourth proportional to 147,507.85, 221,262.99 and 42,330.16 is: 63,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,507.85 : 221,262.99 = 42,330.16 : x
  2. Step 2: Convert to fraction form
    147,507.85/221,262.99 = 42,330.16/x
  3. Step 3: Cross multiply
    147,507.85x = 221,262.99 × 42,330.16
  4. Step 4: Simplify right side
    147,507.85x = 9,366,097,768.78
  5. Step 5: Solve for x
    x = 9,366,097,768.78/147,507.85
  6. Step 6: Final answer
    x = 63,495.59

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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.