Home / 146,749.95-220,073.08-69,803.89

Finding the Fourth Proportional to 146,749.95, 220,073.08 and 69,803.89

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Solution

The fourth proportional to 146,749.95, 220,073.08 and 69,803.89 is: 104,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749.95 : 220,073.08 = 69,803.89 : x
  2. Step 2: Convert to fraction form
    146,749.95/220,073.08 = 69,803.89/x
  3. Step 3: Cross multiply
    146,749.95x = 220,073.08 × 69,803.89
  4. Step 4: Simplify right side
    146,749.95x = 15,361,957,068.28
  5. Step 5: Solve for x
    x = 15,361,957,068.28/146,749.95
  6. Step 6: Final answer
    x = 104,681.17

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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.