Home / 172,143.60-237,490.16-99,533.22

Finding the Fourth Proportional to 172,143.60, 237,490.16 and 99,533.22

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Solution

The fourth proportional to 172,143.60, 237,490.16 and 99,533.22 is: 137,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,143.60 : 237,490.16 = 99,533.22 : x
  2. Step 2: Convert to fraction form
    172,143.60/237,490.16 = 99,533.22/x
  3. Step 3: Cross multiply
    172,143.60x = 237,490.16 × 99,533.22
  4. Step 4: Simplify right side
    172,143.60x = 23,638,158,954.86
  5. Step 5: Solve for x
    x = 23,638,158,954.86/172,143.60
  6. Step 6: Final answer
    x = 137,316.52

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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.