Home / 313,328.32-432,393.63-170,088.46

Finding the Fourth Proportional to 313,328.32, 432,393.63 and 170,088.46

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Solution

The fourth proportional to 313,328.32, 432,393.63 and 170,088.46 is: 234,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,328.32 : 432,393.63 = 170,088.46 : x
  2. Step 2: Convert to fraction form
    313,328.32/432,393.63 = 170,088.46/x
  3. Step 3: Cross multiply
    313,328.32x = 432,393.63 × 170,088.46
  4. Step 4: Simplify right side
    313,328.32x = 73,545,164,921.69
  5. Step 5: Solve for x
    x = 73,545,164,921.69/313,328.32
  6. Step 6: Final answer
    x = 234,722.37

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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.