Home / 117,907.07-162,706.65-64,192.28

Finding the Fourth Proportional to 117,907.07, 162,706.65 and 64,192.28

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Solution

The fourth proportional to 117,907.07, 162,706.65 and 64,192.28 is: 88,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,907.07 : 162,706.65 = 64,192.28 : x
  2. Step 2: Convert to fraction form
    117,907.07/162,706.65 = 64,192.28/x
  3. Step 3: Cross multiply
    117,907.07x = 162,706.65 × 64,192.28
  4. Step 4: Simplify right side
    117,907.07x = 10,444,510,834.66
  5. Step 5: Solve for x
    x = 10,444,510,834.66/117,907.07
  6. Step 6: Final answer
    x = 88,582.57

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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.