Home / 187,573.48-258,754.53-127,123.45

Finding the Fourth Proportional to 187,573.48, 258,754.53 and 127,123.45

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Solution

The fourth proportional to 187,573.48, 258,754.53 and 127,123.45 is: 175,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,573.48 : 258,754.53 = 127,123.45 : x
  2. Step 2: Convert to fraction form
    187,573.48/258,754.53 = 127,123.45/x
  3. Step 3: Cross multiply
    187,573.48x = 258,754.53 × 127,123.45
  4. Step 4: Simplify right side
    187,573.48x = 32,893,768,386.56
  5. Step 5: Solve for x
    x = 32,893,768,386.56/187,573.48
  6. Step 6: Final answer
    x = 175,364.71

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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.