Home / 283,547.07-391,294.98-156,225.39

Finding the Fourth Proportional to 283,547.07, 391,294.98 and 156,225.39

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Solution

The fourth proportional to 283,547.07, 391,294.98 and 156,225.39 is: 215,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,547.07 : 391,294.98 = 156,225.39 : x
  2. Step 2: Convert to fraction form
    283,547.07/391,294.98 = 156,225.39/x
  3. Step 3: Cross multiply
    283,547.07x = 391,294.98 × 156,225.39
  4. Step 4: Simplify right side
    283,547.07x = 61,130,210,855.54
  5. Step 5: Solve for x
    x = 61,130,210,855.54/283,547.07
  6. Step 6: Final answer
    x = 215,591.05

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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.