Home / 369,075.20-553,612.80-236,105.60

Finding the Fourth Proportional to 369,075.20, 553,612.80 and 236,105.60

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Solution

The fourth proportional to 369,075.20, 553,612.80 and 236,105.60 is: 354,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,075.20 : 553,612.80 = 236,105.60 : x
  2. Step 2: Convert to fraction form
    369,075.20/553,612.80 = 236,105.60/x
  3. Step 3: Cross multiply
    369,075.20x = 553,612.80 × 236,105.60
  4. Step 4: Simplify right side
    369,075.20x = 130,711,082,311.68
  5. Step 5: Solve for x
    x = 130,711,082,311.68/369,075.20
  6. Step 6: Final answer
    x = 354,158.40

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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.