Home / 163,900.55-245,432.43-130,669.08

Finding the Fourth Proportional to 163,900.55, 245,432.43 and 130,669.08

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Solution

The fourth proportional to 163,900.55, 245,432.43 and 130,669.08 is: 195,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,900.55 : 245,432.43 = 130,669.08 : x
  2. Step 2: Convert to fraction form
    163,900.55/245,432.43 = 130,669.08/x
  3. Step 3: Cross multiply
    163,900.55x = 245,432.43 × 130,669.08
  4. Step 4: Simplify right side
    163,900.55x = 32,070,429,830.26
  5. Step 5: Solve for x
    x = 32,070,429,830.26/163,900.55
  6. Step 6: Final answer
    x = 195,670.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.