Home / 141,607.34-195,416.64-77,943.76

Finding the Fourth Proportional to 141,607.34, 195,416.64 and 77,943.76

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Solution

The fourth proportional to 141,607.34, 195,416.64 and 77,943.76 is: 107,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,607.34 : 195,416.64 = 77,943.76 : x
  2. Step 2: Convert to fraction form
    141,607.34/195,416.64 = 77,943.76/x
  3. Step 3: Cross multiply
    141,607.34x = 195,416.64 × 77,943.76
  4. Step 4: Simplify right side
    141,607.34x = 15,231,507,688.17
  5. Step 5: Solve for x
    x = 15,231,507,688.17/141,607.34
  6. Step 6: Final answer
    x = 107,561.57

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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.