Home / 151,686.75-209,369.34-88,045.05

Finding the Fourth Proportional to 151,686.75, 209,369.34 and 88,045.05

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Solution

The fourth proportional to 151,686.75, 209,369.34 and 88,045.05 is: 121,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,686.75 : 209,369.34 = 88,045.05 : x
  2. Step 2: Convert to fraction form
    151,686.75/209,369.34 = 88,045.05/x
  3. Step 3: Cross multiply
    151,686.75x = 209,369.34 × 88,045.05
  4. Step 4: Simplify right side
    151,686.75x = 18,433,934,008.77
  5. Step 5: Solve for x
    x = 18,433,934,008.77/151,686.75
  6. Step 6: Final answer
    x = 121,526.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.