Home / 161,792.16-223,220.40-90,158.64

Finding the Fourth Proportional to 161,792.16, 223,220.40 and 90,158.64

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Solution

The fourth proportional to 161,792.16, 223,220.40 and 90,158.64 is: 124,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,792.16 : 223,220.40 = 90,158.64 : x
  2. Step 2: Convert to fraction form
    161,792.16/223,220.40 = 90,158.64/x
  3. Step 3: Cross multiply
    161,792.16x = 223,220.40 × 90,158.64
  4. Step 4: Simplify right side
    161,792.16x = 20,125,247,684.26
  5. Step 5: Solve for x
    x = 20,125,247,684.26/161,792.16
  6. Step 6: Final answer
    x = 124,389.51

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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.