Home / 164,315.37-226,549.75-137,130.56

Finding the Fourth Proportional to 164,315.37, 226,549.75 and 137,130.56

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Solution

The fourth proportional to 164,315.37, 226,549.75 and 137,130.56 is: 189,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,315.37 : 226,549.75 = 137,130.56 : x
  2. Step 2: Convert to fraction form
    164,315.37/226,549.75 = 137,130.56/x
  3. Step 3: Cross multiply
    164,315.37x = 226,549.75 × 137,130.56
  4. Step 4: Simplify right side
    164,315.37x = 31,066,894,085.36
  5. Step 5: Solve for x
    x = 31,066,894,085.36/164,315.37
  6. Step 6: Final answer
    x = 189,068.70

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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.