Home / 125,526.72-173,222.76-89,776.56

Finding the Fourth Proportional to 125,526.72, 173,222.76 and 89,776.56

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Solution

The fourth proportional to 125,526.72, 173,222.76 and 89,776.56 is: 123,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,526.72 : 173,222.76 = 89,776.56 : x
  2. Step 2: Convert to fraction form
    125,526.72/173,222.76 = 89,776.56/x
  3. Step 3: Cross multiply
    125,526.72x = 173,222.76 × 89,776.56
  4. Step 4: Simplify right side
    125,526.72x = 15,551,343,506.51
  5. Step 5: Solve for x
    x = 15,551,343,506.51/125,526.72
  6. Step 6: Final answer
    x = 123,888.71

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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.