Home / 361,117.51-498,341.34-208,154.68

Finding the Fourth Proportional to 361,117.51, 498,341.34 and 208,154.68

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Solution

The fourth proportional to 361,117.51, 498,341.34 and 208,154.68 is: 287,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,117.51 : 498,341.34 = 208,154.68 : x
  2. Step 2: Convert to fraction form
    361,117.51/498,341.34 = 208,154.68/x
  3. Step 3: Cross multiply
    361,117.51x = 498,341.34 × 208,154.68
  4. Step 4: Simplify right side
    361,117.51x = 103,732,082,158.47
  5. Step 5: Solve for x
    x = 103,732,082,158.47/361,117.51
  6. Step 6: Final answer
    x = 287,252.98

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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.