Home / 147,549.45-221,430.79-58,751.78

Finding the Fourth Proportional to 147,549.45, 221,430.79 and 58,751.78

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Solution

The fourth proportional to 147,549.45, 221,430.79 and 58,751.78 is: 88,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,549.45 : 221,430.79 = 58,751.78 : x
  2. Step 2: Convert to fraction form
    147,549.45/221,430.79 = 58,751.78/x
  3. Step 3: Cross multiply
    147,549.45x = 221,430.79 × 58,751.78
  4. Step 4: Simplify right side
    147,549.45x = 13,009,453,059.31
  5. Step 5: Solve for x
    x = 13,009,453,059.31/147,549.45
  6. Step 6: Final answer
    x = 88,170.12

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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.