Home / 162,740.15-243,937.98-74,055.93

Finding the Fourth Proportional to 162,740.15, 243,937.98 and 74,055.93

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Solution

The fourth proportional to 162,740.15, 243,937.98 and 74,055.93 is: 111,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,740.15 : 243,937.98 = 74,055.93 : x
  2. Step 2: Convert to fraction form
    162,740.15/243,937.98 = 74,055.93/x
  3. Step 3: Cross multiply
    162,740.15x = 243,937.98 × 74,055.93
  4. Step 4: Simplify right side
    162,740.15x = 18,065,053,971.22
  5. Step 5: Solve for x
    x = 18,065,053,971.22/162,740.15
  6. Step 6: Final answer
    x = 111,005.52

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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.