Home / 369,441.48-553,963.50-191,507.40

Finding the Fourth Proportional to 369,441.48, 553,963.50 and 191,507.40

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Solution

The fourth proportional to 369,441.48, 553,963.50 and 191,507.40 is: 287,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,441.48 : 553,963.50 = 191,507.40 : x
  2. Step 2: Convert to fraction form
    369,441.48/553,963.50 = 191,507.40/x
  3. Step 3: Cross multiply
    369,441.48x = 553,963.50 × 191,507.40
  4. Step 4: Simplify right side
    369,441.48x = 106,088,109,579.90
  5. Step 5: Solve for x
    x = 106,088,109,579.90/369,441.48
  6. Step 6: Final answer
    x = 287,158.09

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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.