Home / 156,782.04-216,363.24-85,166.16

Finding the Fourth Proportional to 156,782.04, 216,363.24 and 85,166.16

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Solution

The fourth proportional to 156,782.04, 216,363.24 and 85,166.16 is: 117,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782.04 : 216,363.24 = 85,166.16 : x
  2. Step 2: Convert to fraction form
    156,782.04/216,363.24 = 85,166.16/x
  3. Step 3: Cross multiply
    156,782.04x = 216,363.24 × 85,166.16
  4. Step 4: Simplify right side
    156,782.04x = 18,426,826,315.96
  5. Step 5: Solve for x
    x = 18,426,826,315.96/156,782.04
  6. Step 6: Final answer
    x = 117,531.49

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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.