Home / 256,689.04-354,088.67-149,247.20

Finding the Fourth Proportional to 256,689.04, 354,088.67 and 149,247.20

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Solution

The fourth proportional to 256,689.04, 354,088.67 and 149,247.20 is: 205,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,689.04 : 354,088.67 = 149,247.20 : x
  2. Step 2: Convert to fraction form
    256,689.04/354,088.67 = 149,247.20/x
  3. Step 3: Cross multiply
    256,689.04x = 354,088.67 × 149,247.20
  4. Step 4: Simplify right side
    256,689.04x = 52,846,742,549.22
  5. Step 5: Solve for x
    x = 52,846,742,549.22/256,689.04
  6. Step 6: Final answer
    x = 205,878.45

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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.