Home / 147,623.60-221,435.40-103,300.40

Finding the Fourth Proportional to 147,623.60, 221,435.40 and 103,300.40

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Solution

The fourth proportional to 147,623.60, 221,435.40 and 103,300.40 is: 154,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623.60 : 221,435.40 = 103,300.40 : x
  2. Step 2: Convert to fraction form
    147,623.60/221,435.40 = 103,300.40/x
  3. Step 3: Cross multiply
    147,623.60x = 221,435.40 × 103,300.40
  4. Step 4: Simplify right side
    147,623.60x = 22,874,365,394.16
  5. Step 5: Solve for x
    x = 22,874,365,394.16/147,623.60
  6. Step 6: Final answer
    x = 154,950.60

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1.5x scale

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.