Home / 186,688.54-257,554.91-108,054.77

Finding the Fourth Proportional to 186,688.54, 257,554.91 and 108,054.77

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Solution

The fourth proportional to 186,688.54, 257,554.91 and 108,054.77 is: 149,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,688.54 : 257,554.91 = 108,054.77 : x
  2. Step 2: Convert to fraction form
    186,688.54/257,554.91 = 108,054.77/x
  3. Step 3: Cross multiply
    186,688.54x = 257,554.91 × 108,054.77
  4. Step 4: Simplify right side
    186,688.54x = 27,830,035,544.78
  5. Step 5: Solve for x
    x = 27,830,035,544.78/186,688.54
  6. Step 6: Final answer
    x = 149,072.01

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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.