Home / 148,236.64-204,586.32-87,802.40

Finding the Fourth Proportional to 148,236.64, 204,586.32 and 87,802.40

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Solution

The fourth proportional to 148,236.64, 204,586.32 and 87,802.40 is: 121,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,236.64 : 204,586.32 = 87,802.40 : x
  2. Step 2: Convert to fraction form
    148,236.64/204,586.32 = 87,802.40/x
  3. Step 3: Cross multiply
    148,236.64x = 204,586.32 × 87,802.40
  4. Step 4: Simplify right side
    148,236.64x = 17,963,169,903.17
  5. Step 5: Solve for x
    x = 17,963,169,903.17/148,236.64
  6. Step 6: Final answer
    x = 121,179.01

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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.