Home / 256,089.96-353,427.66-141,389.10

Finding the Fourth Proportional to 256,089.96, 353,427.66 and 141,389.10

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Solution

The fourth proportional to 256,089.96, 353,427.66 and 141,389.10 is: 195,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,089.96 : 353,427.66 = 141,389.10 : x
  2. Step 2: Convert to fraction form
    256,089.96/353,427.66 = 141,389.10/x
  3. Step 3: Cross multiply
    256,089.96x = 353,427.66 × 141,389.10
  4. Step 4: Simplify right side
    256,089.96x = 49,970,818,762.51
  5. Step 5: Solve for x
    x = 49,970,818,762.51/256,089.96
  6. Step 6: Final answer
    x = 195,129.94

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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.