Home / 126,888.84-175,117.20-70,305.48

Finding the Fourth Proportional to 126,888.84, 175,117.20 and 70,305.48

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Solution

The fourth proportional to 126,888.84, 175,117.20 and 70,305.48 is: 97,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,888.84 : 175,117.20 = 70,305.48 : x
  2. Step 2: Convert to fraction form
    126,888.84/175,117.20 = 70,305.48/x
  3. Step 3: Cross multiply
    126,888.84x = 175,117.20 × 70,305.48
  4. Step 4: Simplify right side
    126,888.84x = 12,311,698,802.26
  5. Step 5: Solve for x
    x = 12,311,698,802.26/126,888.84
  6. Step 6: Final answer
    x = 97,027.44

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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.