Home / 187,618.79-258,953.04-172,487.49

Finding the Fourth Proportional to 187,618.79, 258,953.04 and 172,487.49

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Solution

The fourth proportional to 187,618.79, 258,953.04 and 172,487.49 is: 238,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,618.79 : 258,953.04 = 172,487.49 : x
  2. Step 2: Convert to fraction form
    187,618.79/258,953.04 = 172,487.49/x
  3. Step 3: Cross multiply
    187,618.79x = 258,953.04 × 172,487.49
  4. Step 4: Simplify right side
    187,618.79x = 44,666,159,897.47
  5. Step 5: Solve for x
    x = 44,666,159,897.47/187,618.79
  6. Step 6: Final answer
    x = 238,068.69

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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.