Home / 172,445.14-237,946.86-96,979.06

Finding the Fourth Proportional to 172,445.14, 237,946.86 and 96,979.06

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Solution

The fourth proportional to 172,445.14, 237,946.86 and 96,979.06 is: 133,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,445.14 : 237,946.86 = 96,979.06 : x
  2. Step 2: Convert to fraction form
    172,445.14/237,946.86 = 96,979.06/x
  3. Step 3: Cross multiply
    172,445.14x = 237,946.86 × 96,979.06
  4. Step 4: Simplify right side
    172,445.14x = 23,075,862,812.75
  5. Step 5: Solve for x
    x = 23,075,862,812.75/172,445.14
  6. Step 6: Final answer
    x = 133,815.68

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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.