Home / 118,153.45-163,050.00-64,438.35

Finding the Fourth Proportional to 118,153.45, 163,050.00 and 64,438.35

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Solution

The fourth proportional to 118,153.45, 163,050.00 and 64,438.35 is: 88,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,153.45 : 163,050.00 = 64,438.35 : x
  2. Step 2: Convert to fraction form
    118,153.45/163,050.00 = 64,438.35/x
  3. Step 3: Cross multiply
    118,153.45x = 163,050.00 × 64,438.35
  4. Step 4: Simplify right side
    118,153.45x = 10,506,671,830.06
  5. Step 5: Solve for x
    x = 10,506,671,830.06/118,153.45
  6. Step 6: Final answer
    x = 88,923.96

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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.