Home / 127,148.40-175,457.16-70,559.82

Finding the Fourth Proportional to 127,148.40, 175,457.16 and 70,559.82

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Solution

The fourth proportional to 127,148.40, 175,457.16 and 70,559.82 is: 97,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,148.40 : 175,457.16 = 70,559.82 : x
  2. Step 2: Convert to fraction form
    127,148.40/175,457.16 = 70,559.82/x
  3. Step 3: Cross multiply
    127,148.40x = 175,457.16 × 70,559.82
  4. Step 4: Simplify right side
    127,148.40x = 12,380,225,627.31
  5. Step 5: Solve for x
    x = 12,380,225,627.31/127,148.40
  6. Step 6: Final answer
    x = 97,368.32

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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.