Home / 156,717.20-235,075.80-154,384.40

Finding the Fourth Proportional to 156,717.20, 235,075.80 and 154,384.40

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Solution

The fourth proportional to 156,717.20, 235,075.80 and 154,384.40 is: 231,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.20 : 235,075.80 = 154,384.40 : x
  2. Step 2: Convert to fraction form
    156,717.20/235,075.80 = 154,384.40/x
  3. Step 3: Cross multiply
    156,717.20x = 235,075.80 × 154,384.40
  4. Step 4: Simplify right side
    156,717.20x = 36,292,036,337.52
  5. Step 5: Solve for x
    x = 36,292,036,337.52/156,717.20
  6. Step 6: Final answer
    x = 231,576.60

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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.