Home / 292,284.80-403,312.56-163,207.52

Finding the Fourth Proportional to 292,284.80, 403,312.56 and 163,207.52

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Solution

The fourth proportional to 292,284.80, 403,312.56 and 163,207.52 is: 225,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,284.80 : 403,312.56 = 163,207.52 : x
  2. Step 2: Convert to fraction form
    292,284.80/403,312.56 = 163,207.52/x
  3. Step 3: Cross multiply
    292,284.80x = 403,312.56 × 163,207.52
  4. Step 4: Simplify right side
    292,284.80x = 65,823,642,702.45
  5. Step 5: Solve for x
    x = 65,823,642,702.45/292,284.80
  6. Step 6: Final answer
    x = 225,203.78

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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.