Home / 353,386.80-487,678.32-192,246.21

Finding the Fourth Proportional to 353,386.80, 487,678.32 and 192,246.21

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Solution

The fourth proportional to 353,386.80, 487,678.32 and 192,246.21 is: 265,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,386.80 : 487,678.32 = 192,246.21 : x
  2. Step 2: Convert to fraction form
    353,386.80/487,678.32 = 192,246.21/x
  3. Step 3: Cross multiply
    353,386.80x = 487,678.32 × 192,246.21
  4. Step 4: Simplify right side
    353,386.80x = 93,754,308,719.17
  5. Step 5: Solve for x
    x = 93,754,308,719.17/353,386.80
  6. Step 6: Final answer
    x = 265,302.24

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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.