Home / 252,501.48-348,453.90-139,328.28

Finding the Fourth Proportional to 252,501.48, 348,453.90 and 139,328.28

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Solution

The fourth proportional to 252,501.48, 348,453.90 and 139,328.28 is: 192,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,501.48 : 348,453.90 = 139,328.28 : x
  2. Step 2: Convert to fraction form
    252,501.48/348,453.90 = 139,328.28/x
  3. Step 3: Cross multiply
    252,501.48x = 348,453.90 × 139,328.28
  4. Step 4: Simplify right side
    252,501.48x = 48,549,482,546.29
  5. Step 5: Solve for x
    x = 48,549,482,546.29/252,501.48
  6. Step 6: Final answer
    x = 192,274.05

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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.