Home / 249,513.09-343,969.55-177,768.55

Finding the Fourth Proportional to 249,513.09, 343,969.55 and 177,768.55

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Solution

The fourth proportional to 249,513.09, 343,969.55 and 177,768.55 is: 245,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,513.09 : 343,969.55 = 177,768.55 : x
  2. Step 2: Convert to fraction form
    249,513.09/343,969.55 = 177,768.55/x
  3. Step 3: Cross multiply
    249,513.09x = 343,969.55 × 177,768.55
  4. Step 4: Simplify right side
    249,513.09x = 61,146,968,147.65
  5. Step 5: Solve for x
    x = 61,146,968,147.65/249,513.09
  6. Step 6: Final answer
    x = 245,065.17

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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.