Home / 153,692.28-212,059.32-93,261.48

Finding the Fourth Proportional to 153,692.28, 212,059.32 and 93,261.48

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Solution

The fourth proportional to 153,692.28, 212,059.32 and 93,261.48 is: 128,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,692.28 : 212,059.32 = 93,261.48 : x
  2. Step 2: Convert to fraction form
    153,692.28/212,059.32 = 93,261.48/x
  3. Step 3: Cross multiply
    153,692.28x = 212,059.32 × 93,261.48
  4. Step 4: Simplify right side
    153,692.28x = 19,776,966,030.99
  5. Step 5: Solve for x
    x = 19,776,966,030.99/153,692.28
  6. Step 6: Final answer
    x = 128,678.98

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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.