Home / 126,749.03-174,913.66-70,160.40

Finding the Fourth Proportional to 126,749.03, 174,913.66 and 70,160.40

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Solution

The fourth proportional to 126,749.03, 174,913.66 and 70,160.40 is: 96,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749.03 : 174,913.66 = 70,160.40 : x
  2. Step 2: Convert to fraction form
    126,749.03/174,913.66 = 70,160.40/x
  3. Step 3: Cross multiply
    126,749.03x = 174,913.66 × 70,160.40
  4. Step 4: Simplify right side
    126,749.03x = 12,272,013,094.69
  5. Step 5: Solve for x
    x = 12,272,013,094.69/126,749.03
  6. Step 6: Final answer
    x = 96,821.36

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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.