Home / 157,220.64-216,853.34-152,013.15

Finding the Fourth Proportional to 157,220.64, 216,853.34 and 152,013.15

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Solution

The fourth proportional to 157,220.64, 216,853.34 and 152,013.15 is: 209,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,220.64 : 216,853.34 = 152,013.15 : x
  2. Step 2: Convert to fraction form
    157,220.64/216,853.34 = 152,013.15/x
  3. Step 3: Cross multiply
    157,220.64x = 216,853.34 × 152,013.15
  4. Step 4: Simplify right side
    157,220.64x = 32,964,558,541.36
  5. Step 5: Solve for x
    x = 32,964,558,541.36/157,220.64
  6. Step 6: Final answer
    x = 209,670.68

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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.