Home / 287,381.51-396,593.58-160,059.23

Finding the Fourth Proportional to 287,381.51, 396,593.58 and 160,059.23

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Solution

The fourth proportional to 287,381.51, 396,593.58 and 160,059.23 is: 220,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,381.51 : 396,593.58 = 160,059.23 : x
  2. Step 2: Convert to fraction form
    287,381.51/396,593.58 = 160,059.23/x
  3. Step 3: Cross multiply
    287,381.51x = 396,593.58 × 160,059.23
  4. Step 4: Simplify right side
    287,381.51x = 63,478,463,037.74
  5. Step 5: Solve for x
    x = 63,478,463,037.74/287,381.51
  6. Step 6: Final answer
    x = 220,885.69

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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.