Home / 249,036.32-343,623.12-148,443.68

Finding the Fourth Proportional to 249,036.32, 343,623.12 and 148,443.68

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Solution

The fourth proportional to 249,036.32, 343,623.12 and 148,443.68 is: 204,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,036.32 : 343,623.12 = 148,443.68 : x
  2. Step 2: Convert to fraction form
    249,036.32/343,623.12 = 148,443.68/x
  3. Step 3: Cross multiply
    249,036.32x = 343,623.12 × 148,443.68
  4. Step 4: Simplify right side
    249,036.32x = 51,008,680,465.88
  5. Step 5: Solve for x
    x = 51,008,680,465.88/249,036.32
  6. Step 6: Final answer
    x = 204,824.26

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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.