Home / 219,533.32-302,955.54-118,931.56

Finding the Fourth Proportional to 219,533.32, 302,955.54 and 118,931.56

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Solution

The fourth proportional to 219,533.32, 302,955.54 and 118,931.56 is: 164,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,533.32 : 302,955.54 = 118,931.56 : x
  2. Step 2: Convert to fraction form
    219,533.32/302,955.54 = 118,931.56/x
  3. Step 3: Cross multiply
    219,533.32x = 302,955.54 × 118,931.56
  4. Step 4: Simplify right side
    219,533.32x = 36,030,974,982.84
  5. Step 5: Solve for x
    x = 36,030,974,982.84/219,533.32
  6. Step 6: Final answer
    x = 164,125.31

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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.