Home / 233,123.31-321,400.48-152,412.07

Finding the Fourth Proportional to 233,123.31, 321,400.48 and 152,412.07

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Solution

The fourth proportional to 233,123.31, 321,400.48 and 152,412.07 is: 210,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,123.31 : 321,400.48 = 152,412.07 : x
  2. Step 2: Convert to fraction form
    233,123.31/321,400.48 = 152,412.07/x
  3. Step 3: Cross multiply
    233,123.31x = 321,400.48 × 152,412.07
  4. Step 4: Simplify right side
    233,123.31x = 48,985,312,455.79
  5. Step 5: Solve for x
    x = 48,985,312,455.79/233,123.31
  6. Step 6: Final answer
    x = 210,126.19

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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.