Home / 272,587.80-376,095.66-163,663.86

Finding the Fourth Proportional to 272,587.80, 376,095.66 and 163,663.86

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Solution

The fourth proportional to 272,587.80, 376,095.66 and 163,663.86 is: 225,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,587.80 : 376,095.66 = 163,663.86 : x
  2. Step 2: Convert to fraction form
    272,587.80/376,095.66 = 163,663.86/x
  3. Step 3: Cross multiply
    272,587.80x = 376,095.66 × 163,663.86
  4. Step 4: Simplify right side
    272,587.80x = 61,553,267,444.85
  5. Step 5: Solve for x
    x = 61,553,267,444.85/272,587.80
  6. Step 6: Final answer
    x = 225,810.79

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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.