Home / 98,370.47-147,555.77-42,174.29

Finding the Fourth Proportional to 98,370.47, 147,555.77 and 42,174.29

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Solution

The fourth proportional to 98,370.47, 147,555.77 and 42,174.29 is: 63,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,370.47 : 147,555.77 = 42,174.29 : x
  2. Step 2: Convert to fraction form
    98,370.47/147,555.77 = 42,174.29/x
  3. Step 3: Cross multiply
    98,370.47x = 147,555.77 × 42,174.29
  4. Step 4: Simplify right side
    98,370.47x = 6,223,058,886.50
  5. Step 5: Solve for x
    x = 6,223,058,886.50/98,370.47
  6. Step 6: Final answer
    x = 63,261.46

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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.