Home / 172,660.09-238,307.68-116,038.66

Finding the Fourth Proportional to 172,660.09, 238,307.68 and 116,038.66

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Solution

The fourth proportional to 172,660.09, 238,307.68 and 116,038.66 is: 160,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,660.09 : 238,307.68 = 116,038.66 : x
  2. Step 2: Convert to fraction form
    172,660.09/238,307.68 = 116,038.66/x
  3. Step 3: Cross multiply
    172,660.09x = 238,307.68 × 116,038.66
  4. Step 4: Simplify right side
    172,660.09x = 27,652,903,854.91
  5. Step 5: Solve for x
    x = 27,652,903,854.91/172,660.09
  6. Step 6: Final answer
    x = 160,158.05

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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.