Home / 126,370.36-174,461.14-86,143.23

Finding the Fourth Proportional to 126,370.36, 174,461.14 and 86,143.23

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Solution

The fourth proportional to 126,370.36, 174,461.14 and 86,143.23 is: 118,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,370.36 : 174,461.14 = 86,143.23 : x
  2. Step 2: Convert to fraction form
    126,370.36/174,461.14 = 86,143.23/x
  3. Step 3: Cross multiply
    126,370.36x = 174,461.14 × 86,143.23
  4. Step 4: Simplify right side
    126,370.36x = 15,028,646,216.76
  5. Step 5: Solve for x
    x = 15,028,646,216.76/126,370.36
  6. Step 6: Final answer
    x = 118,925.40

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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.