Home / 180,755.40-249,441.86-99,085.64

Finding the Fourth Proportional to 180,755.40, 249,441.86 and 99,085.64

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Solution

The fourth proportional to 180,755.40, 249,441.86 and 99,085.64 is: 136,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,755.40 : 249,441.86 = 99,085.64 : x
  2. Step 2: Convert to fraction form
    180,755.40/249,441.86 = 99,085.64/x
  3. Step 3: Cross multiply
    180,755.40x = 249,441.86 × 99,085.64
  4. Step 4: Simplify right side
    180,755.40x = 24,716,106,340.89
  5. Step 5: Solve for x
    x = 24,716,106,340.89/180,755.40
  6. Step 6: Final answer
    x = 136,737.86

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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.