Home / 105,184.68-145,153.08-57,436.98

Finding the Fourth Proportional to 105,184.68, 145,153.08 and 57,436.98

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Solution

The fourth proportional to 105,184.68, 145,153.08 and 57,436.98 is: 79,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,184.68 : 145,153.08 = 57,436.98 : x
  2. Step 2: Convert to fraction form
    105,184.68/145,153.08 = 57,436.98/x
  3. Step 3: Cross multiply
    105,184.68x = 145,153.08 × 57,436.98
  4. Step 4: Simplify right side
    105,184.68x = 8,337,154,552.90
  5. Step 5: Solve for x
    x = 8,337,154,552.90/105,184.68
  6. Step 6: Final answer
    x = 79,262.06

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1.5x scale

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.