Home / 238,106.34-328,586.48-130,676.64

Finding the Fourth Proportional to 238,106.34, 328,586.48 and 130,676.64

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Solution

The fourth proportional to 238,106.34, 328,586.48 and 130,676.64 is: 180,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,106.34 : 328,586.48 = 130,676.64 : x
  2. Step 2: Convert to fraction form
    238,106.34/328,586.48 = 130,676.64/x
  3. Step 3: Cross multiply
    238,106.34x = 328,586.48 × 130,676.64
  4. Step 4: Simplify right side
    238,106.34x = 42,938,577,155.83
  5. Step 5: Solve for x
    x = 42,938,577,155.83/238,106.34
  6. Step 6: Final answer
    x = 180,333.62

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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.