Home / 127,403.40-175,818.06-70,048.92

Finding the Fourth Proportional to 127,403.40, 175,818.06 and 70,048.92

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Solution

The fourth proportional to 127,403.40, 175,818.06 and 70,048.92 is: 96,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,403.40 : 175,818.06 = 70,048.92 : x
  2. Step 2: Convert to fraction form
    127,403.40/175,818.06 = 70,048.92/x
  3. Step 3: Cross multiply
    127,403.40x = 175,818.06 × 70,048.92
  4. Step 4: Simplify right side
    127,403.40x = 12,315,865,219.50
  5. Step 5: Solve for x
    x = 12,315,865,219.50/127,403.40
  6. Step 6: Final answer
    x = 96,668.26

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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.