Home / 187,293.72-258,417.36-110,809.20

Finding the Fourth Proportional to 187,293.72, 258,417.36 and 110,809.20

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Solution

The fourth proportional to 187,293.72, 258,417.36 and 110,809.20 is: 152,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,293.72 : 258,417.36 = 110,809.20 : x
  2. Step 2: Convert to fraction form
    187,293.72/258,417.36 = 110,809.20/x
  3. Step 3: Cross multiply
    187,293.72x = 258,417.36 × 110,809.20
  4. Step 4: Simplify right side
    187,293.72x = 28,635,020,927.71
  5. Step 5: Solve for x
    x = 28,635,020,927.71/187,293.72
  6. Step 6: Final answer
    x = 152,888.31

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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.