Home / 156,696.65-216,242.93-85,077.26

Finding the Fourth Proportional to 156,696.65, 216,242.93 and 85,077.26

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Solution

The fourth proportional to 156,696.65, 216,242.93 and 85,077.26 is: 117,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,696.65 : 216,242.93 = 85,077.26 : x
  2. Step 2: Convert to fraction form
    156,696.65/216,242.93 = 85,077.26/x
  3. Step 3: Cross multiply
    156,696.65x = 216,242.93 × 85,077.26
  4. Step 4: Simplify right side
    156,696.65x = 18,397,355,978.77
  5. Step 5: Solve for x
    x = 18,397,355,978.77/156,696.65
  6. Step 6: Final answer
    x = 117,407.46

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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.