Home / 112,038.80-168,058.20-97,276.55

Finding the Fourth Proportional to 112,038.80, 168,058.20 and 97,276.55

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Solution

The fourth proportional to 112,038.80, 168,058.20 and 97,276.55 is: 145,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.80 : 168,058.20 = 97,276.55 : x
  2. Step 2: Convert to fraction form
    112,038.80/168,058.20 = 97,276.55/x
  3. Step 3: Cross multiply
    112,038.80x = 168,058.20 × 97,276.55
  4. Step 4: Simplify right side
    112,038.80x = 16,348,121,895.21
  5. Step 5: Solve for x
    x = 16,348,121,895.21/112,038.80
  6. Step 6: Final answer
    x = 145,914.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.