Home / 236,737.60-355,106.40-112,321.60

Finding the Fourth Proportional to 236,737.60, 355,106.40 and 112,321.60

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Solution

The fourth proportional to 236,737.60, 355,106.40 and 112,321.60 is: 168,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,737.60 : 355,106.40 = 112,321.60 : x
  2. Step 2: Convert to fraction form
    236,737.60/355,106.40 = 112,321.60/x
  3. Step 3: Cross multiply
    236,737.60x = 355,106.40 × 112,321.60
  4. Step 4: Simplify right side
    236,737.60x = 39,886,119,018.24
  5. Step 5: Solve for x
    x = 39,886,119,018.24/236,737.60
  6. Step 6: Final answer
    x = 168,482.40

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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.