Home / 191,277.12-286,931.73-58,158.53

Finding the Fourth Proportional to 191,277.12, 286,931.73 and 58,158.53

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Solution

The fourth proportional to 191,277.12, 286,931.73 and 58,158.53 is: 87,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,277.12 : 286,931.73 = 58,158.53 : x
  2. Step 2: Convert to fraction form
    191,277.12/286,931.73 = 58,158.53/x
  3. Step 3: Cross multiply
    191,277.12x = 286,931.73 × 58,158.53
  4. Step 4: Simplify right side
    191,277.12x = 16,687,527,627.16
  5. Step 5: Solve for x
    x = 16,687,527,627.16/191,277.12
  6. Step 6: Final answer
    x = 87,242.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.