Home / 163,235.49-225,264.98-91,615.52

Finding the Fourth Proportional to 163,235.49, 225,264.98 and 91,615.52

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Solution

The fourth proportional to 163,235.49, 225,264.98 and 91,615.52 is: 126,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,235.49 : 225,264.98 = 91,615.52 : x
  2. Step 2: Convert to fraction form
    163,235.49/225,264.98 = 91,615.52/x
  3. Step 3: Cross multiply
    163,235.49x = 225,264.98 × 91,615.52
  4. Step 4: Simplify right side
    163,235.49x = 20,637,767,462.02
  5. Step 5: Solve for x
    x = 20,637,767,462.02/163,235.49
  6. Step 6: Final answer
    x = 126,429.41

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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.