Home / 114,152.09-157,519.15-77,283.32

Finding the Fourth Proportional to 114,152.09, 157,519.15 and 77,283.32

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Solution

The fourth proportional to 114,152.09, 157,519.15 and 77,283.32 is: 106,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,152.09 : 157,519.15 = 77,283.32 : x
  2. Step 2: Convert to fraction form
    114,152.09/157,519.15 = 77,283.32/x
  3. Step 3: Cross multiply
    114,152.09x = 157,519.15 × 77,283.32
  4. Step 4: Simplify right side
    114,152.09x = 12,173,602,875.58
  5. Step 5: Solve for x
    x = 12,173,602,875.58/114,152.09
  6. Step 6: Final answer
    x = 106,643.71

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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.