Home / 353,011.14-487,155.44-191,866.19

Finding the Fourth Proportional to 353,011.14, 487,155.44 and 191,866.19

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Solution

The fourth proportional to 353,011.14, 487,155.44 and 191,866.19 is: 264,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,011.14 : 487,155.44 = 191,866.19 : x
  2. Step 2: Convert to fraction form
    353,011.14/487,155.44 = 191,866.19/x
  3. Step 3: Cross multiply
    353,011.14x = 487,155.44 × 191,866.19
  4. Step 4: Simplify right side
    353,011.14x = 93,468,656,254.46
  5. Step 5: Solve for x
    x = 93,468,656,254.46/353,011.14
  6. Step 6: Final answer
    x = 264,775.37

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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.