Home / 127,175.04-175,488-70,572.48

Finding the Fourth Proportional to 127,175.04, 175,488 and 70,572.48

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Solution

The fourth proportional to 127,175.04, 175,488 and 70,572.48 is: 97,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,175.04 : 175,488 = 70,572.48 : x
  2. Step 2: Convert to fraction form
    127,175.04/175,488 = 70,572.48/x
  3. Step 3: Cross multiply
    127,175.04x = 175,488 × 70,572.48
  4. Step 4: Simplify right side
    127,175.04x = 12,384,623,370.24
  5. Step 5: Solve for x
    x = 12,384,623,370.24/127,175.04
  6. Step 6: Final answer
    x = 97,382.50

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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.