Home / 237,703.02-328,031.41-128,807.40

Finding the Fourth Proportional to 237,703.02, 328,031.41 and 128,807.40

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Solution

The fourth proportional to 237,703.02, 328,031.41 and 128,807.40 is: 177,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,703.02 : 328,031.41 = 128,807.40 : x
  2. Step 2: Convert to fraction form
    237,703.02/328,031.41 = 128,807.40/x
  3. Step 3: Cross multiply
    237,703.02x = 328,031.41 × 128,807.40
  4. Step 4: Simplify right side
    237,703.02x = 42,252,873,040.43
  5. Step 5: Solve for x
    x = 42,252,873,040.43/237,703.02
  6. Step 6: Final answer
    x = 177,754.89

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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.