Home / 144,666.48-216,931.68-55,961.76

Finding the Fourth Proportional to 144,666.48, 216,931.68 and 55,961.76

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Solution

The fourth proportional to 144,666.48, 216,931.68 and 55,961.76 is: 83,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,666.48 : 216,931.68 = 55,961.76 : x
  2. Step 2: Convert to fraction form
    144,666.48/216,931.68 = 55,961.76/x
  3. Step 3: Cross multiply
    144,666.48x = 216,931.68 × 55,961.76
  4. Step 4: Simplify right side
    144,666.48x = 12,139,878,612.56
  5. Step 5: Solve for x
    x = 12,139,878,612.56/144,666.48
  6. Step 6: Final answer
    x = 83,916.32

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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.