Home / 148,535.32-221,259.53-140,487.16

Finding the Fourth Proportional to 148,535.32, 221,259.53 and 140,487.16

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Solution

The fourth proportional to 148,535.32, 221,259.53 and 140,487.16 is: 209,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,535.32 : 221,259.53 = 140,487.16 : x
  2. Step 2: Convert to fraction form
    148,535.32/221,259.53 = 140,487.16/x
  3. Step 3: Cross multiply
    148,535.32x = 221,259.53 × 140,487.16
  4. Step 4: Simplify right side
    148,535.32x = 31,084,122,992.63
  5. Step 5: Solve for x
    x = 31,084,122,992.63/148,535.32
  6. Step 6: Final answer
    x = 209,270.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.