Home / 137,953.23-190,453.53-89,598.35

Finding the Fourth Proportional to 137,953.23, 190,453.53 and 89,598.35

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Solution

The fourth proportional to 137,953.23, 190,453.53 and 89,598.35 is: 123,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,953.23 : 190,453.53 = 89,598.35 : x
  2. Step 2: Convert to fraction form
    137,953.23/190,453.53 = 89,598.35/x
  3. Step 3: Cross multiply
    137,953.23x = 190,453.53 × 89,598.35
  4. Step 4: Simplify right side
    137,953.23x = 17,064,322,347.81
  5. Step 5: Solve for x
    x = 17,064,322,347.81/137,953.23
  6. Step 6: Final answer
    x = 123,696.44

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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.