Home / 127,148.22-175,458.63-70,559.10

Finding the Fourth Proportional to 127,148.22, 175,458.63 and 70,559.10

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Solution

The fourth proportional to 127,148.22, 175,458.63 and 70,559.10 is: 97,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,148.22 : 175,458.63 = 70,559.10 : x
  2. Step 2: Convert to fraction form
    127,148.22/175,458.63 = 70,559.10/x
  3. Step 3: Cross multiply
    127,148.22x = 175,458.63 × 70,559.10
  4. Step 4: Simplify right side
    127,148.22x = 12,380,203,020.03
  5. Step 5: Solve for x
    x = 12,380,203,020.03/127,148.22
  6. Step 6: Final answer
    x = 97,368.28

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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.