Home / 156,075.91-215,385.34-84,455.94

Finding the Fourth Proportional to 156,075.91, 215,385.34 and 84,455.94

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Solution

The fourth proportional to 156,075.91, 215,385.34 and 84,455.94 is: 116,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,075.91 : 215,385.34 = 84,455.94 : x
  2. Step 2: Convert to fraction form
    156,075.91/215,385.34 = 84,455.94/x
  3. Step 3: Cross multiply
    156,075.91x = 215,385.34 × 84,455.94
  4. Step 4: Simplify right side
    156,075.91x = 18,190,569,852.71
  5. Step 5: Solve for x
    x = 18,190,569,852.71/156,075.91
  6. Step 6: Final answer
    x = 116,549.50

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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.