Home / 243,518.40-336,088.44-136,096.20

Finding the Fourth Proportional to 243,518.40, 336,088.44 and 136,096.20

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Solution

The fourth proportional to 243,518.40, 336,088.44 and 136,096.20 is: 187,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,518.40 : 336,088.44 = 136,096.20 : x
  2. Step 2: Convert to fraction form
    243,518.40/336,088.44 = 136,096.20/x
  3. Step 3: Cross multiply
    243,518.40x = 336,088.44 × 136,096.20
  4. Step 4: Simplify right side
    243,518.40x = 45,740,359,547.93
  5. Step 5: Solve for x
    x = 45,740,359,547.93/243,518.40
  6. Step 6: Final answer
    x = 187,831.23

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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.