Home / 153,723.70-212,058.03-125,075.40

Finding the Fourth Proportional to 153,723.70, 212,058.03 and 125,075.40

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Solution

The fourth proportional to 153,723.70, 212,058.03 and 125,075.40 is: 172,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,723.70 : 212,058.03 = 125,075.40 : x
  2. Step 2: Convert to fraction form
    153,723.70/212,058.03 = 125,075.40/x
  3. Step 3: Cross multiply
    153,723.70x = 212,058.03 × 125,075.40
  4. Step 4: Simplify right side
    153,723.70x = 26,523,242,925.46
  5. Step 5: Solve for x
    x = 26,523,242,925.46/153,723.70
  6. Step 6: Final answer
    x = 172,538.41

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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.