Home / 120,303.16-180,403.83-36,075.40

Finding the Fourth Proportional to 120,303.16, 180,403.83 and 36,075.40

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Solution

The fourth proportional to 120,303.16, 180,403.83 and 36,075.40 is: 54,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303.16 : 180,403.83 = 36,075.40 : x
  2. Step 2: Convert to fraction form
    120,303.16/180,403.83 = 36,075.40/x
  3. Step 3: Cross multiply
    120,303.16x = 180,403.83 × 36,075.40
  4. Step 4: Simplify right side
    120,303.16x = 6,508,139,877.77
  5. Step 5: Solve for x
    x = 6,508,139,877.77/120,303.16
  6. Step 6: Final answer
    x = 54,097.83

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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.