Home / 385,547.40-578,292.30-160,849.80

Finding the Fourth Proportional to 385,547.40, 578,292.30 and 160,849.80

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Solution

The fourth proportional to 385,547.40, 578,292.30 and 160,849.80 is: 241,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,547.40 : 578,292.30 = 160,849.80 : x
  2. Step 2: Convert to fraction form
    385,547.40/578,292.30 = 160,849.80/x
  3. Step 3: Cross multiply
    385,547.40x = 578,292.30 × 160,849.80
  4. Step 4: Simplify right side
    385,547.40x = 93,018,200,796.54
  5. Step 5: Solve for x
    x = 93,018,200,796.54/385,547.40
  6. Step 6: Final answer
    x = 241,262.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.