Home / 295,192.18-442,788-126,603.64

Finding the Fourth Proportional to 295,192.18, 442,788 and 126,603.64

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Solution

The fourth proportional to 295,192.18, 442,788 and 126,603.64 is: 189,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,192.18 : 442,788 = 126,603.64 : x
  2. Step 2: Convert to fraction form
    295,192.18/442,788 = 126,603.64/x
  3. Step 3: Cross multiply
    295,192.18x = 442,788 × 126,603.64
  4. Step 4: Simplify right side
    295,192.18x = 56,058,572,548.32
  5. Step 5: Solve for x
    x = 56,058,572,548.32/295,192.18
  6. Step 6: Final answer
    x = 189,905.34

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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.