Home / 230,740.32-318,421.71-127,374.59

Finding the Fourth Proportional to 230,740.32, 318,421.71 and 127,374.59

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Solution

The fourth proportional to 230,740.32, 318,421.71 and 127,374.59 is: 175,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,740.32 : 318,421.71 = 127,374.59 : x
  2. Step 2: Convert to fraction form
    230,740.32/318,421.71 = 127,374.59/x
  3. Step 3: Cross multiply
    230,740.32x = 318,421.71 × 127,374.59
  4. Step 4: Simplify right side
    230,740.32x = 40,558,833,166.24
  5. Step 5: Solve for x
    x = 40,558,833,166.24/230,740.32
  6. Step 6: Final answer
    x = 175,776.97

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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.