Home / 256,038.59-353,332.98-142,861.34

Finding the Fourth Proportional to 256,038.59, 353,332.98 and 142,861.34

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Solution

The fourth proportional to 256,038.59, 353,332.98 and 142,861.34 is: 197,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,038.59 : 353,332.98 = 142,861.34 : x
  2. Step 2: Convert to fraction form
    256,038.59/353,332.98 = 142,861.34/x
  3. Step 3: Cross multiply
    256,038.59x = 353,332.98 × 142,861.34
  4. Step 4: Simplify right side
    256,038.59x = 50,477,621,222.33
  5. Step 5: Solve for x
    x = 50,477,621,222.33/256,038.59
  6. Step 6: Final answer
    x = 197,148.49

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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.