Home / 134,925.40-186,203.10-77,583.34

Finding the Fourth Proportional to 134,925.40, 186,203.10 and 77,583.34

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Solution

The fourth proportional to 134,925.40, 186,203.10 and 77,583.34 is: 107,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,925.40 : 186,203.10 = 77,583.34 : x
  2. Step 2: Convert to fraction form
    134,925.40/186,203.10 = 77,583.34/x
  3. Step 3: Cross multiply
    134,925.40x = 186,203.10 × 77,583.34
  4. Step 4: Simplify right side
    134,925.40x = 14,446,258,416.35
  5. Step 5: Solve for x
    x = 14,446,258,416.35/134,925.40
  6. Step 6: Final answer
    x = 107,068.49

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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.