Home / 105,498.23-158,222.50-30,598.61

Finding the Fourth Proportional to 105,498.23, 158,222.50 and 30,598.61

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Solution

The fourth proportional to 105,498.23, 158,222.50 and 30,598.61 is: 45,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,498.23 : 158,222.50 = 30,598.61 : x
  2. Step 2: Convert to fraction form
    105,498.23/158,222.50 = 30,598.61/x
  3. Step 3: Cross multiply
    105,498.23x = 158,222.50 × 30,598.61
  4. Step 4: Simplify right side
    105,498.23x = 4,841,387,703.12
  5. Step 5: Solve for x
    x = 4,841,387,703.12/105,498.23
  6. Step 6: Final answer
    x = 45,890.70

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1.5x scale

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.