Home / 163,586.90-245,281.26-106,703.30

Finding the Fourth Proportional to 163,586.90, 245,281.26 and 106,703.30

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Solution

The fourth proportional to 163,586.90, 245,281.26 and 106,703.30 is: 159,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,586.90 : 245,281.26 = 106,703.30 : x
  2. Step 2: Convert to fraction form
    163,586.90/245,281.26 = 106,703.30/x
  3. Step 3: Cross multiply
    163,586.90x = 245,281.26 × 106,703.30
  4. Step 4: Simplify right side
    163,586.90x = 26,172,319,870.16
  5. Step 5: Solve for x
    x = 26,172,319,870.16/163,586.90
  6. Step 6: Final answer
    x = 159,990.32

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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.