Home / 127,010.24-175,262.64-70,421.48

Finding the Fourth Proportional to 127,010.24, 175,262.64 and 70,421.48

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Solution

The fourth proportional to 127,010.24, 175,262.64 and 70,421.48 is: 97,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,010.24 : 175,262.64 = 70,421.48 : x
  2. Step 2: Convert to fraction form
    127,010.24/175,262.64 = 70,421.48/x
  3. Step 3: Cross multiply
    127,010.24x = 175,262.64 × 70,421.48
  4. Step 4: Simplify right side
    127,010.24x = 12,342,254,497.51
  5. Step 5: Solve for x
    x = 12,342,254,497.51/127,010.24
  6. Step 6: Final answer
    x = 97,175.27

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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.