Home / 345,631.25-476,971.15-186,655.25

Finding the Fourth Proportional to 345,631.25, 476,971.15 and 186,655.25

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Solution

The fourth proportional to 345,631.25, 476,971.15 and 186,655.25 is: 257,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,631.25 : 476,971.15 = 186,655.25 : x
  2. Step 2: Convert to fraction form
    345,631.25/476,971.15 = 186,655.25/x
  3. Step 3: Cross multiply
    345,631.25x = 476,971.15 × 186,655.25
  4. Step 4: Simplify right side
    345,631.25x = 89,029,168,312.76
  5. Step 5: Solve for x
    x = 89,029,168,312.76/345,631.25
  6. Step 6: Final answer
    x = 257,584.26

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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.