Home / 127,140.42-190,478.06-59,548.35

Finding the Fourth Proportional to 127,140.42, 190,478.06 and 59,548.35

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Solution

The fourth proportional to 127,140.42, 190,478.06 and 59,548.35 is: 89,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,140.42 : 190,478.06 = 59,548.35 : x
  2. Step 2: Convert to fraction form
    127,140.42/190,478.06 = 59,548.35/x
  3. Step 3: Cross multiply
    127,140.42x = 190,478.06 × 59,548.35
  4. Step 4: Simplify right side
    127,140.42x = 11,342,654,184.20
  5. Step 5: Solve for x
    x = 11,342,654,184.20/127,140.42
  6. Step 6: Final answer
    x = 89,213.60

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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.