Home / 112,374.04-155,038.98-74,152.57

Finding the Fourth Proportional to 112,374.04, 155,038.98 and 74,152.57

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Solution

The fourth proportional to 112,374.04, 155,038.98 and 74,152.57 is: 102,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,374.04 : 155,038.98 = 74,152.57 : x
  2. Step 2: Convert to fraction form
    112,374.04/155,038.98 = 74,152.57/x
  3. Step 3: Cross multiply
    112,374.04x = 155,038.98 × 74,152.57
  4. Step 4: Simplify right side
    112,374.04x = 11,496,538,817.18
  5. Step 5: Solve for x
    x = 11,496,538,817.18/112,374.04
  6. Step 6: Final answer
    x = 102,306.00

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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.