Home / 141,880.66-212,821.76-42,041.72

Finding the Fourth Proportional to 141,880.66, 212,821.76 and 42,041.72

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Solution

The fourth proportional to 141,880.66, 212,821.76 and 42,041.72 is: 63,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,880.66 : 212,821.76 = 42,041.72 : x
  2. Step 2: Convert to fraction form
    141,880.66/212,821.76 = 42,041.72/x
  3. Step 3: Cross multiply
    141,880.66x = 212,821.76 × 42,041.72
  4. Step 4: Simplify right side
    141,880.66x = 8,947,391,569.51
  5. Step 5: Solve for x
    x = 8,947,391,569.51/141,880.66
  6. Step 6: Final answer
    x = 63,062.80

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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.