Home / 249,127.16-343,814.51-141,690.79

Finding the Fourth Proportional to 249,127.16, 343,814.51 and 141,690.79

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Solution

The fourth proportional to 249,127.16, 343,814.51 and 141,690.79 is: 195,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,127.16 : 343,814.51 = 141,690.79 : x
  2. Step 2: Convert to fraction form
    249,127.16/343,814.51 = 141,690.79/x
  3. Step 3: Cross multiply
    249,127.16x = 343,814.51 × 141,690.79
  4. Step 4: Simplify right side
    249,127.16x = 48,715,349,030.05
  5. Step 5: Solve for x
    x = 48,715,349,030.05/249,127.16
  6. Step 6: Final answer
    x = 195,544.11

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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.