Home / 292,148.10-438,416.55-134,295.30

Finding the Fourth Proportional to 292,148.10, 438,416.55 and 134,295.30

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Solution

The fourth proportional to 292,148.10, 438,416.55 and 134,295.30 is: 201,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,148.10 : 438,416.55 = 134,295.30 : x
  2. Step 2: Convert to fraction form
    292,148.10/438,416.55 = 134,295.30/x
  3. Step 3: Cross multiply
    292,148.10x = 438,416.55 × 134,295.30
  4. Step 4: Simplify right side
    292,148.10x = 58,877,282,107.22
  5. Step 5: Solve for x
    x = 58,877,282,107.22/292,148.10
  6. Step 6: Final answer
    x = 201,532.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.