Home / 208,928.48-288,326.16-124,045.76

Finding the Fourth Proportional to 208,928.48, 288,326.16 and 124,045.76

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Solution

The fourth proportional to 208,928.48, 288,326.16 and 124,045.76 is: 171,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,928.48 : 288,326.16 = 124,045.76 : x
  2. Step 2: Convert to fraction form
    208,928.48/288,326.16 = 124,045.76/x
  3. Step 3: Cross multiply
    208,928.48x = 288,326.16 × 124,045.76
  4. Step 4: Simplify right side
    208,928.48x = 35,765,637,645.08
  5. Step 5: Solve for x
    x = 35,765,637,645.08/208,928.48
  6. Step 6: Final answer
    x = 171,186.03

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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.