Home / 187,962.24-259,316.72-119,981.76

Finding the Fourth Proportional to 187,962.24, 259,316.72 and 119,981.76

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Solution

The fourth proportional to 187,962.24, 259,316.72 and 119,981.76 is: 165,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,962.24 : 259,316.72 = 119,981.76 : x
  2. Step 2: Convert to fraction form
    187,962.24/259,316.72 = 119,981.76/x
  3. Step 3: Cross multiply
    187,962.24x = 259,316.72 × 119,981.76
  4. Step 4: Simplify right side
    187,962.24x = 31,113,276,463.03
  5. Step 5: Solve for x
    x = 31,113,276,463.03/187,962.24
  6. Step 6: Final answer
    x = 165,529.40

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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.