Home / 369,123.85-553,731.95-144,455.27

Finding the Fourth Proportional to 369,123.85, 553,731.95 and 144,455.27

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Solution

The fourth proportional to 369,123.85, 553,731.95 and 144,455.27 is: 216,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,123.85 : 553,731.95 = 144,455.27 : x
  2. Step 2: Convert to fraction form
    369,123.85/553,731.95 = 144,455.27/x
  3. Step 3: Cross multiply
    369,123.85x = 553,731.95 × 144,455.27
  4. Step 4: Simplify right side
    369,123.85x = 79,989,495,124.79
  5. Step 5: Solve for x
    x = 79,989,495,124.79/369,123.85
  6. Step 6: Final answer
    x = 216,700.97

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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.